Chain Crosswords Long Nature Medium — Set 10

Medium 13×13 Set 10
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Across
  1. 1. Type of bond between ions
  2. 4. A word related to science
  3. 5. Fiber that transmits signals
  4. 7. Path around a celestial body
  5. 8. Simple machine for lifting
Down
  1. 2. A word related to science
  2. 3. A word related to science
  3. 6. Tiny reproductive unit of fungi